nova: Release Ussuri 21.1.0

Minor version bump required with this release due to patch
'libvirt: Mark e1000e VIF as supported'.

$ git log --oneline --no-merges 21.0.0..HEAD
bbf9d1de06 libvirt: Provide VIR_MIGRATE_PARAM_PERSIST_XML during live migration
3f3b889f4e libvirt: Do not reference VIR_ERR_DEVICE_MISSING when libvirt is < v4.1.0
30ee639b62 [Trivial] Remove wrong format_message() conversion
034b2fa8fe compute: Don't delete the original attachment during pre LM rollback
6db72002a6 Add regression tests for bug #1889108
6070c55793 func: Add live migration rollback volume attachment tests
726ca4aec5 func: Add _live_migrate helper to InstanceHelperMixin
9069b2802f tests: Define constants in '_IntegratedTestBase'
ac05bc3b38 Handle multiple 'vcpusched' elements during live migrate
42bfd50626 compute: Do not allow rescue attempts using volume snapshot images
aed86ee5d6 objects: Update keypairs when saving an instance
93058ae1b8 libvirt: Handle VIR_ERR_DEVICE_MISSING when detaching devices
cf399a363c zuul: remove legacy-tempest-dsvm-neutron-dvr-multinode-full
ecd218b1a4 Correct reported system memory
247e33af8f catch libvirt exception when nodedev not found.
840de3b892 libvirt: Mark e1000e VIF as supported
02f213b831 Fix cherry-pick check for merge patch
9d3ebd58aa libvirt: Don't allow "reserving" file-backed memory
a6a48e876c Guard against missing image cache directory
eedc0b5ff3 hardware: Raise useful error for invalid mempage size
5cacfaab82 Check cherry-pick hashes in pep8 tox target
8b48ca672d libvirt: Don't delete disks on shared storage during evacuate
6ccd13f8ae Add functional test for bug 1550919
ed05246069 remove support of oslo.messaging 9.8.0 warning message
57702ad484 Add admin doc information about image cache resource accounting
968981b585 Reserve DISK_GB resource for the image cache
a270eeeb9b compute: Allow snapshots to be created from PAUSED volume backed instances
fa2bfac862 Make quotas respect instance_list_per_project_cells
1caddc4250 Silence amqp heartbeat warning
e8b3927c92 Update scheduler instance info at confirm resize
016eeec984 Reproduce bug 1869050
e7ea1226b1 Bump hacking min version to 3.0.1
e61d002530 Remove stale nested backport from InstancePCIRequests

Change-Id: I38938573f105895a33aaf0a8b78cc18480539f0c

deliverables/ussuri/nova.yaml

@@ -45,6 +45,10 @@ releases:
       - repo: openstack/nova
         hash: dd3cc59ccf8c963e078359d4b27dacf7d54a14ee
     diff-start: 20.0.0.0rc1
+  - version: 21.1.0
+    projects:
+      - repo: openstack/nova
+        hash: 1afed301746dad2bf51d01a4bdaef0101ffb0186
 branches:
   - name: stable/ussuri
     location: 21.0.0.0rc1